JPS63113298A - Plate fin type heat exchanger and its manufacture - Google Patents
Plate fin type heat exchanger and its manufactureInfo
- Publication number
- JPS63113298A JPS63113298A JP25466286A JP25466286A JPS63113298A JP S63113298 A JPS63113298 A JP S63113298A JP 25466286 A JP25466286 A JP 25466286A JP 25466286 A JP25466286 A JP 25466286A JP S63113298 A JPS63113298 A JP S63113298A
- Authority
- JP
- Japan
- Prior art keywords
- header
- plate
- heat exchanger
- flow path
- manufacture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 11
- 238000005219 brazing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 39
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はプレートとフィンとを交互に多段に積層したプ
レートフィン型熱交換器においてそのヘッダーの構造を
改良したプレートフィン型熱交換器及びその製造方法に
関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a plate-fin type heat exchanger in which plates and fins are alternately stacked in multiple stages, and the header structure of the plate-fin type heat exchanger is improved. Regarding the manufacturing method.
［従来の技術］
第９図は燃料電池などに用いられるプレートフィン型熱
交換器ａを示している。[Prior Art] FIG. 9 shows a plate-fin type heat exchanger a used in fuel cells and the like.
この熱交換器ａはプレートと波板状のフィンとを交互に
多段に積層して熱交換媒体の流路群を形成した熱交換部
すを有している。この熱交換部すにおいて、プレートを
介して隣接する流路に交互に高温の加熱流体りと低温の
被加熱流体Ｃとを向流させ又流すことより熱交換が行な
われるようになっている。This heat exchanger a has a heat exchange section in which plates and corrugated fins are alternately stacked in multiple stages to form a group of flow paths for a heat exchange medium. In this heat exchange section, heat exchange is carried out by alternately causing high-temperature heated fluid and low-temperature heated fluid C to flow countercurrently in adjacent channels via plates.
そして、上記熱交換部すの両端部には流路群に流体を分
配したり流路群からの流体を集合するためのヘッダーｄ
が形成され、これらヘッダ−ｄはプレートｅの端部に形
成されたリング部ｆをディスタンスプレートＱを介して
多段に積層し、これらをろう付けすることにより筒状に
形成されている。At both ends of the heat exchange section, there are headers d for distributing fluid to the flow path groups and collecting fluid from the flow path groups.
These headers d are formed into a cylindrical shape by laminating ring portions f formed at the ends of plates e in multiple stages via distance plates Q and brazing them together.
［発明が解決しようとする問題点］
しかしながら、ヘッダーｄを１ａｌｌ構造としてろう付
けにより構成することは特に熱交換器が大型化した場合
均一なろう付けが難しくなることから、強度的にも弱く
なり、流体漏れを生じて信頼性の低下を招くなどの問題
があった。[Problems to be Solved by the Invention] However, constructing the header d as a one-all structure by brazing makes uniform brazing difficult, especially when the heat exchanger becomes large, and the strength is also weakened. However, there were problems such as fluid leakage and reduced reliability.
そこで、本願発明は上記従来技術の問題点を解決すべく
なされたものであり、その目的は製造が容易で強潰的に
強く流体漏れを生じにくいヘッダーを有するプレートフ
ィン型熱交換器及びその製造方法を提供することである
。Therefore, the present invention was made to solve the above-mentioned problems of the prior art, and its purpose is to provide a plate-fin type heat exchanger having a header that is easy to manufacture, strong in crushing, and resistant to fluid leakage, and its manufacture. The purpose is to provide a method.
［問題点を解決するための手段］
上記目的を達成するために本発明は、プレートと波板状
のフィンとを交互に多段に積層して熱交換媒体の流路群
を形成したプレートフィン型熱交換器において、上記流
路群のヘッダー部にそのプレート積層方向に連続した管
体からなるヘッダーを設けたものである。また、その製
造方法としては、プレートと波板状のフィンとを交互に
多段に積層してこれらを高温用ろう材でろう付けするこ
とにより熱交換媒体の流路群を形成し、該流路群のヘッ
ダー部にそのプレート積層方向に連続した半割状管体か
らなるヘッダーを取付けるに際して、上記ヘッダー部の
ヘッダー取付面を切削して溶接肉盛し、該肉盛部を切除
して再び溶接肉盛した後、該肉盛部を表面仕上げして上
記ヘッダーを溶接したものである。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a plate fin type in which plates and corrugated fins are alternately stacked in multiple stages to form a group of flow channels for a heat exchange medium. In the heat exchanger, a header made of a tube body continuous in the direction in which the plates are stacked is provided in the header portion of the flow path group. In addition, as a manufacturing method, plates and corrugated fins are alternately stacked in multiple stages, and these are brazed with a high-temperature brazing material to form a group of flow channels for the heat exchange medium. When attaching a header consisting of a half-tubular body continuous in the plate stacking direction to the header section of the group, the header mounting surface of the header section is cut and welded overlay, and the overlay section is cut out and welded again. After overlaying, the overlay portion is surface-finished and the header is welded.
［作 用］
ヘッダーを管体により構成したので、ろう付けによる積
層構造と異なり、製造が容易で大型化が可能となり、強
度的に強く、信頼性が向上する。[Function] Since the header is composed of a tube body, unlike a laminated structure using brazing, it is easy to manufacture, can be made large, and has strong strength and improved reliability.
［実施例］ 以下に本発明の実り例を添付図面に基づいて詳述する。[Example] Examples of the present invention will be described in detail below with reference to the accompanying drawings.
第１図に示すプレートフィン型熱交換器の熱交換部１は
第４図に示すようにプレート２と波板状のフィン３とを
交互に多段に積層し、プレート２を挾んで互いに熱交換
される流体を通すための流路群４・・・、５・・・を形
成している。なお、熱交換部１の側面は流体漏れを生じ
ないようプレート２とディスタンスプレート６とを交互
に多段に積層することにより形成されている。The heat exchange section 1 of the plate-fin type heat exchanger shown in FIG. 1 has plates 2 and corrugated fins 3 stacked alternately in multiple stages as shown in FIG. Flow path groups 4, 5, and so on are formed for passing fluids. Note that the side surface of the heat exchange section 1 is formed by stacking plates 2 and distance plates 6 alternately in multiple stages to prevent fluid leakage.
そして熱交換部１の両端部には流体を流路群４・・・、
５・・・に分配したり、流路群４・・・、５・・・から
の流体を集合するためのヘッダー部が形成され、具体的
には熱交換部１の一端には中央の加熱流体出口ヘッダー
部７と、その両側の被加熱流体入口ヘッダー部８とが形
成され、他端には中央の被加熱流体出口ヘッダー部９と
、その両側の加熱流体入口ヘッダー部１０とが形成され
ている。なお、被加熱流体用の入ロｌ＼ツダ一部８及び
出口ヘッダー部９は第２図に示す如く被加熱流体用流路
群４・・・と連通する入口ｌ＼ツダースペーサ１１及び
出口へラダースペーサ゛１２を、且つ第３図に示す如く
加熱流体用流路群５・・・と遮断するディスタンスプレ
４１３．１４をそれぞれプレート２間に介設することに
より形成されている。同様に加熱流体用の入口ヘッダー
部１０及び出口ヘッダー部７は第３因に示す如く加熱流
体用流路群５・・・と連通ずる入口ヘッダースペーサ１
５及び出口へラダースペーサ１６を、且つ第２図に示す
如く被加熱流体用流路群４・・・と遮断するディスタン
スプレート１７゜１８をそれぞれプレート２間に介設す
ることにより形成されている。The fluid is supplied to both ends of the heat exchange section 1 through channel groups 4...
A header section is formed to distribute the fluid to the flow path groups 4..., 5... and collect the fluid from the flow path groups 4..., 5..., and specifically, one end of the heat exchange section 1 has a central heating A fluid outlet header section 7 and heated fluid inlet header sections 8 on both sides thereof are formed, and a central heated fluid outlet header section 9 and heated fluid inlet header sections 10 on both sides thereof are formed at the other end. ing. In addition, as shown in FIG. 2, the inlet header part 8 and the outlet header part 9 for the fluid to be heated are connected to the inlet spacer 11 and the exit ladder, which communicate with the flow path group 4 for the fluid to be heated. They are formed by interposing distance plates 413 and 14 between the plates 2, respectively, to block the spacer 12 and the heating fluid flow path group 5, as shown in FIG. Similarly, the inlet header section 10 and the outlet header section 7 for heating fluid are connected to the inlet header spacer 1 which communicates with the heating fluid channel group 5 as shown in the third factor.
5 and the outlet, and distance plates 17 and 18 are interposed between the plates 2, respectively, and distance plates 17 and 18 are interposed to block the heated fluid flow path group 4, as shown in FIG. .
以上のように構成された熱交換部１はプレート２、フィ
ン３、ディスタンスプレート６．１３゜１４．１７．１
８、ヘッダースペーサ１１．１２１５．１６を積層して
これらを高温用ろう材でろう付けすることにより一体的
に形成される。The heat exchange section 1 configured as described above includes the plate 2, the fins 3, and the distance plate 6.13°14.17.1.
8. The header spacers 11, 12, 15, and 16 are laminated and integrally formed by brazing them with a high-temperature brazing material.
そして、各ヘッダー部７．８．９．１０にはプレート積
層方向に連続した管体からなるヘッダー１９．２０，２
１．２２が取付けられている。ヘッダー１９．２０，２
１．２２を取付けるには、先ずヘッダー部７，８．９．
１０のへラダー取付面２３を平坦にすべく機械加工によ
り第５図（イ）に示すように部分的に切除し、次いで同
図（ロ）に示すようにその切除面２４上に溶接肉盛２５
を施した後、その溶接肉盛２５部を破線で示すように略
半分の厚さになるよう切除し、次いで同図（ハ）に示す
ようにその切除面２６上に再び溶接肉盛２７を施し、こ
の溶接肉盛２７部の表面仕上を行なった後、その仕上面
２８に半割管体からなるヘッダー１９．２０．２１．２
２を溶接により取付ける。Each header part 7.8.9.10 has headers 19.20, 2 which are made of pipes continuous in the plate stacking direction.
1.22 is installed. Header 19.20,2
1.22, first install the header parts 7, 8.9.
The ladder mounting surface 23 of No. 10 is partially cut out by machining to make it flat, as shown in FIG. 25
After that, the weld overlay 25 is cut out to approximately half the thickness as shown by the broken line, and then the weld overlay 27 is again placed on the cut surface 26 as shown in FIG. After finishing the surface of this weld overlay 27, a header 19, 20, 21, 2 consisting of a half-tube body is attached to the finished surface 28.
Attach 2 by welding.
ろう付けによる積層部分に溶接すると、溶接熱によりろ
う材が溶ける虞れがあるため、従来では上記積層部分へ
の溶接は困難であるとされていた。Conventionally, it has been considered difficult to weld to the laminated portion by brazing because there is a risk that the brazing material may melt due to welding heat.
そこで、積層部分のろう付けにはＭＢＦ８０等の高温用
ろう材を用いると共に、前述のような溶接手順を採るこ
とにより、管体かうなるヘッダー１９゜２０．２１．２
２の溶接取付けを可能としたものである。Therefore, by using a high-temperature brazing filler metal such as MBF80 to braze the laminated parts and by adopting the welding procedure described above, the header 19° 20.21.2
2. This allows for welding installation.
そして、ヘッダー１９．２０．２１．２２を管体により
構成したことから、製造が容易となり、大型化が可能と
なるばかりでなく、ヘッダー１９゜２０．２１．２２が
強度的に強くなり、また流体漏れを生じくく熱交換器と
しての信頼性を向上できる。Since the header 19, 20, 21, 22 is made of a tubular body, it is not only easy to manufacture and can be made larger, but also the header 19, 20, 21, 22 is stronger and more durable. Fluid leakage is less likely to occur and reliability as a heat exchanger can be improved.
なお、第６図〜第８図は熱交換部１の一端に中央の加熱
流体入口ヘッダー部１ｏと、その両側の被加熱流体出口
ヘッダー部９とを形成し、他端に中央の加熱流体出口ヘ
ッダー部７と、この両側の被加熱流体入口ヘッダー部８
とを形成した変形例を示している。加熱流体用の入口ヘ
ッダ−１０及び出口ヘッダー部７には前記実施例と同様
に半割管体からなるヘッダー２２．１９がそれぞれ溶接
２９により取付けられると共に、被加熱流体用の入口ヘ
ッダー部８及び出口ヘッダー部９には加熱流体用の出口
ヘッダ−１９と入口ヘッダ−２２とをそれぞれ囲繞する
半割管体からなる共通の入口ヘッダ−３０及び出口ヘッ
ダ−３１が溶接３２によりそれぞれ取付けられている。In addition, in FIGS. 6 to 8, a central heated fluid inlet header section 1o and heated fluid outlet header sections 9 on both sides are formed at one end of the heat exchange section 1, and a central heated fluid outlet header section 9 is formed at the other end. Header part 7 and heated fluid inlet header parts 8 on both sides of the header part 7
A modified example is shown in which . Headers 22 and 19 made of half tubes are attached to the inlet header 10 and the outlet header section 7 for the heated fluid by welding 29, respectively, as in the previous embodiment, and the inlet header section 8 and the outlet header section 7 for the heated fluid are respectively attached by welding 29. A common inlet header 30 and an outlet header 31 each consisting of a half-tube body surrounding an outlet header 19 for heating fluid and an inlet header 22 are attached to the outlet header section 9 by welding 32, respectively. .
なお、前記実施例と同一部分には同一符号が付してあり
、また３３．３２は上記被加熱流体用の入口ヘッダ−３
０及び出口ヘッダ−３１にそれぞれ形成された被加熱流
体用入口及び出口である。The same parts as in the above embodiment are given the same reference numerals, and 33.32 is the inlet header 3 for the heated fluid.
An inlet and an outlet for the heated fluid are formed in the header 0 and the outlet header 31, respectively.
［発明の効果コ
以上要するに本発明によれば次のような優れた効果を発
揮する。[Effects of the Invention] In summary, the present invention exhibits the following excellent effects.
（１］ プレートフィン型熱交換器のヘッダーを管体
から構成したので、ろう付けによる積層構造のヘッダー
と異なり、製造が容易で大型化が可能であると共に、強
度的にも優れ、流体漏れを生じにクク、信頼性の向上が
図れる。(1) Since the header of the plate fin heat exchanger is constructed from a tube body, unlike headers with a laminated structure made by brazing, it is easy to manufacture and can be made larger. It also has excellent strength and prevents fluid leakage. The reliability can be improved with ease.
（２） またへラダーを取付けるに際して、高温用ろ
う材でろう付けされた積層構造のヘッダー部のヘッダー
取付面を切削して溶接肉盛し、この肉盛部を切除して再
び溶接肉盛した後、この肉盛部を表面仕上げして半割管
体からなるヘッダーを溶接により取付けるようにしたの
で、ろう付けによる積層構造のヘッダー部に対するヘッ
ダーの溶接が可能となり、製造を容易化できる。(2) When installing the ladder, the header mounting surface of the header part, which has a laminated structure brazed with high-temperature brazing filler metal, was cut and welded overlay, and this overlay was cut out and welded overlay again. Afterwards, this built-up part is surface-finished and a header made of a half-tube body is attached by welding, so that the header can be welded to the header part of the laminated structure by brazing, and manufacturing can be facilitated.
第１図は本発明に係るプレートフィン型熱交換器の一実
施例を示す斜視図、第２図は被加熱流体流路群部分で切
断された断面図、第３図は加熱流体流路群部分で切断し
た断面図、第４図は熱交換部の拡大断面図、第５図はヘ
ッダーの溶接手順を示す説明図、第６図は他のプレート
フィン型熱交換器を加熱流体流路群部分で切断した状態
を示す断面図、第７図は同然交換器を被加熱流体流路群
部分で切断した状態を示す断面図、第８図は同然交換器
の縦断面図、第９図は従来のプレートツイン型熱交換器
の斜視図である。
図中、１はプレート、３はフィン、４．５は流路群、７
．８．９．’ＩＯはヘッダー部、１９゜２０．２１．２
２はヘッダー、２３はヘッダー取付面、２５．２７は溶
接肉盛部である。
特許出願人 石川島播磨重工業株式会社代理人弁理士
絹 谷 信 雄第８゛図FIG. 1 is a perspective view showing an embodiment of a plate-fin type heat exchanger according to the present invention, FIG. 2 is a cross-sectional view cut at a heated fluid flow path group, and FIG. 3 is a heated fluid flow path group. Figure 4 is an enlarged cross-sectional view of the heat exchange section, Figure 5 is an explanatory diagram showing the header welding procedure, and Figure 6 is a diagram showing another plate-fin type heat exchanger with the heated fluid flow path group. 7 is a cross-sectional view showing the condition where the atomic exchanger is cut at the heated fluid flow path group, FIG. 8 is a vertical sectional view of the atomic exchanger, and FIG. FIG. 2 is a perspective view of a conventional plate twin heat exchanger. In the figure, 1 is a plate, 3 is a fin, 4.5 is a channel group, and 7
．． 8.9. 'IO is header part, 19°20.21.2
2 is a header, 23 is a header mounting surface, and 25.27 is a weld overlay. Patent applicant: Ishikawajima-Harima Heavy Industries Co., Ltd. Representative patent attorney: Nobuo Kinutani Figure 8
Claims (2)
して熱交換媒体の流路群を形成したプレートフィン型熱
交換器において、上記流路群のヘッダー部にそのプレー
ト積層方向に連続した管体からなるヘッダーを設けたこ
とを特徴とするプレートフィン型熱交換器。(1) In a plate-fin heat exchanger in which plates and corrugated fins are alternately stacked in multiple stages to form a flow path group for the heat exchange medium, the header portion of the flow path group is A plate-fin type heat exchanger characterized by having a header made of a continuous tube body.
してこれらを高温用ろう材でろう付けすることにより熱
交換媒体の流路群を形成し、該流路群のヘッダー部にそ
のプレート積層方向に連続した半割状管体からなるヘッ
ダーを取付けるに際して、上記ヘッダー部のヘッダー取
付面を切削して溶接肉盛し、該肉盛部を切除して再び溶
接肉盛した後、該肉盛部を表面仕上げして上記ヘッダー
を溶接したことを特徴とするプレートフィン型熱交換器
の製造方法。(2) Plates and corrugated fins are alternately stacked in multiple stages and brazed with high-temperature brazing filler metal to form a flow path group for the heat exchange medium, and the header portion of the flow path group is When installing a header made of a half-tubular body continuous in the plate stacking direction, the header mounting surface of the header part is cut and welded overlay, and after cutting out the overlay and welding overlay again, A method for manufacturing a plate-fin type heat exchanger, characterized in that the built-up portion is surface-finished and the header is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61254662A JP2531398B2 (en) | 1986-10-28 | 1986-10-28 | Plate fin type heat exchanger and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61254662A JP2531398B2 (en) | 1986-10-28 | 1986-10-28 | Plate fin type heat exchanger and method for manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63113298A true JPS63113298A (en) | 1988-05-18 |
| JP2531398B2 JP2531398B2 (en) | 1996-09-04 |
Family
ID=17268122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61254662A Expired - Fee Related JP2531398B2 (en) | 1986-10-28 | 1986-10-28 | Plate fin type heat exchanger and method for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531398B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765631A (en) * | 1994-12-21 | 1998-06-16 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Fluid circulation apparatus |
| US5927097A (en) * | 1995-02-20 | 1999-07-27 | F F Seeley Nominees Pty Ltd | Evaporative cooler with improved contra flow heat exchanger |
| FR2797943A1 (en) * | 1999-08-24 | 2001-03-02 | Air Liquide | Evaporator-condenser for air distillation installation comprises dihedral body with fluid passage opening on first face hermetically covered by cylindrical connecting box |
| KR100726370B1 (en) | 2006-07-11 | 2007-06-11 | 주식회사 두원공조 | Water-refrigerant heat exchanger |
| CN103119389A (en) * | 2011-09-27 | 2013-05-22 | 赵亨锡 | Welded plate heat exchanger |
| KR20210055728A (en) * | 2018-09-11 | 2021-05-17 | 가부시키가이샤 고베 세이코쇼 | heat exchanger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027150A (en) * | 1973-05-04 | 1975-03-20 | ||
| JPS5699280U (en) * | 1979-12-27 | 1981-08-05 |
-
1986
- 1986-10-28 JP JP61254662A patent/JP2531398B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5027150A (en) * | 1973-05-04 | 1975-03-20 | ||
| JPS5699280U (en) * | 1979-12-27 | 1981-08-05 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5765631A (en) * | 1994-12-21 | 1998-06-16 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Fluid circulation apparatus |
| US5927097A (en) * | 1995-02-20 | 1999-07-27 | F F Seeley Nominees Pty Ltd | Evaporative cooler with improved contra flow heat exchanger |
| FR2797943A1 (en) * | 1999-08-24 | 2001-03-02 | Air Liquide | Evaporator-condenser for air distillation installation comprises dihedral body with fluid passage opening on first face hermetically covered by cylindrical connecting box |
| KR100726370B1 (en) | 2006-07-11 | 2007-06-11 | 주식회사 두원공조 | Water-refrigerant heat exchanger |
| CN103119389A (en) * | 2011-09-27 | 2013-05-22 | 赵亨锡 | Welded plate heat exchanger |
| KR20210055728A (en) * | 2018-09-11 | 2021-05-17 | 가부시키가이샤 고베 세이코쇼 | heat exchanger |
| US11519678B2 (en) | 2018-09-11 | 2022-12-06 | Kobe Steel, Ltd. | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531398B2 (en) | 1996-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1136782B1 (en) | Plate type heat exchanger and method of manufacturing the heat exchanger | |
| CA1064901B (en) | Formed plate heat exchanger and method of fabricating | |
| US6244333B1 (en) | Corrugated folded plate heat exchanger | |
| US4308915A (en) | Thin sheet heat exchanger | |
| JPH06281373A (en) | Refrigerant flow tube for heat exchanger | |
| US4509672A (en) | Method of constructing headers of heat exchangers | |
| US20020153129A1 (en) | Integral fin passage heat exchanger | |
| US6513585B2 (en) | Header-less vehicle radiator | |
| US3360038A (en) | Arrangement in heat exchangers of the plate-type | |
| US6289978B1 (en) | Coiled heat exchanger and a method for making a coiled heat exchanger | |
| JPS63112065A (en) | Heat exchanger made of aluminum | |
| JPS63113298A (en) | Plate fin type heat exchanger and its manufacture | |
| US6857469B2 (en) | Fin-tube block type heat exchanger with grooved spacer bars | |
| US4381033A (en) | Header construction | |
| JPS61122493A (en) | Plate type heat exchanger | |
| JP2518234B2 (en) | Method for producing plate fin type heat exchanger | |
| JPH0641724Y2 (en) | Heat exchanger | |
| CN206095006U (en) | Package assembly of all -welded ripple core | |
| JPS6183883A (en) | Plate type heat exchanger | |
| JPH10206079A (en) | Heat-exchanger | |
| JP3744544B2 (en) | Plate array for heat exchanger and heat exchanger using such plate array | |
| US11340027B2 (en) | Tube for a heat exchanger, and method of making the same | |
| JP2663611B2 (en) | Stacked heat exchanger | |
| JPH09210495A (en) | Plate type heat exchanger for absorption type cold or hot water device | |
| AU7643681A (en) | Thin sheet heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |